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问题:

[单选] 0ne of your crew members falls overboard from the starboard side. You should immediateiy().

A . apply left rudder
B . throw the crew a life preserver
C . begin backing your engines
D . position your vessel to windward and begin recovery

0ne of the limitations of foam as an extinguishing agent is that foam(). cannot be made with salt water。 is heavierthan oil and sinks below its surface。 is corrosive and to fire fighters。 conducts electricity。 在支水准路线测量中,往测高差为-20.864m,返测高差为+20.876m,则往返测高差中数为()。 –0.012m。 +0.012m。 +20.870m。 –20.870m。 百叶窗是分割原理运用的具体实例。 已知hAB=+2.500m,hAC=-1.200m,则hCB为()。 +1.300m。 +3.700m。 -3.500m。 -1.300m。 在小组评估的AB设计中,需要注意()的原则。 0ne of your crew members falls overboard from the starboard side. You should immediateiy().
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